Messages in this thread | | | From | Cong Wang <> | Date | Mon, 27 Jun 2016 12:50:56 -0700 | Subject | Re: [PATCH] notifier: Fix soft lockup for notifier_call_chain(). |
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On Fri, Jun 24, 2016 at 7:46 PM, Ding Tianhong <dingtianhong@huawei.com> wrote: > diff --git a/kernel/notifier.c b/kernel/notifier.c > index fd2c9ac..9c30411 100644 > --- a/kernel/notifier.c > +++ b/kernel/notifier.c > @@ -92,6 +92,8 @@ static int notifier_call_chain(struct notifier_block **nl, > #endif > ret = nb->notifier_call(nb, val, v); > > + cond_resched(); > + > if (nr_calls) > (*nr_calls)++;
NAK.
You can't do a resched in atomic context in __atomic_notifier_call_chain().
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